public class showInstVar{
 public static void main(String args[]){
    instanceVar one = new instanceVar();
    instanceVar two = new instanceVar();
    one.instVar = 100;
    two.instVar = 200;
    System.out.println("one.instVar="+one.instVar);
    System.out.println("two.instVar="+two.instVar);
 }
}